# MathU Merlin vs AI Math Problem Solver

The clearest difference is in-app purchases: MathU Merlin at none against AI Math Problem Solver's 2. MathU Merlin also leads on update cadence (every 4 weeks vs every 5 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. AI Math Problem Solver sells 2 in-app purchases, starting at $4.99 per 7 days. MathU Merlin asks for nothing beyond the download.

MathU Merlin ships an update every 4 weeks, AI Math Problem Solver every 5 months. The most recent releases landed on September 8, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | MathU Merlin | AI Math Problem Solver |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 5 months |
| Size | 79 MB | 40 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MathU Teaching Emporium (Pty) Ltd](https://appshunter.io/developer/1501691780) | [Rehmat Khan](https://appshunter.io/developer/1765698169) |

## What reviewers say

### MathU Merlin

[App page](https://appshunter.io/ios/app/mathu-merlin/id6739288823)

**Features:** macOS Compatibility

**In-app purchases:** none


### AI Math Problem Solver

[App page](https://appshunter.io/ios/app/ai-math-problem-solver/id6749448672)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI Math Weekly Pro | $4.99 | per 7 days |
| AI Math Yearly Pro | $24.99 | per year |


## Frequently asked questions

### Is MathU Merlin free?

MathU Merlin is free to download, with no in-app purchases.

### Is AI Math Problem Solver free?

AI Math Problem Solver is free to download, with in-app purchases available.

### Do MathU Merlin or AI Math Problem Solver have ads?

Neither MathU Merlin nor AI Math Problem Solver shows ads.

### Which is updated more often, MathU Merlin or AI Math Problem Solver?

MathU Merlin ships an update every 4 weeks, and AI Math Problem Solver every 5 months. Most recently, MathU Merlin was updated on September 8, 2026 and AI Math Problem Solver on September 29, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*